Animate Color in Simulink 3D Animation

Question

Tomas Gnevek 2011-4-1

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Hi, I'm creating Robotic car painting station (Animation/Simulation), and I need to animate color change of car's body, but I can't check 'Color' node from VRML tree in VR Sink's parameters. Is it somehow possible to do that?

Thanks for answers.

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Answer 1

Jonathan Currie 2011-5-5

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Hi Tom, just came across the answer to this myself!

By default Simulink 3D cannot access a property without a name, which happens when you add a material. Simply open up the .wrl file and navigate to your shape:

appearance Appearance { material Material { }}

Noticing the material is currently empty, and without a name. Do the following to fix this:

appearance Appearance { material DEF LiqMat Material { }}

Where I have added a name LiqMat using DEF.

Best of luck!

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Yu Ang Tan 2011-10-7

It works! Thanks!

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Answer 2

Jonathan Currie 2011-5-8

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Note you can also change the name of a material within VRealm or Simulink's 3D Editor, in a similar way you can change transform names (click and wait).

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Answer 3

Gianni 2011-11-25

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在 MATLAB Online 中打开

Sorry but for me does't work. Can you please tell me the error in my world? since I still can not select the box for the color because instead I have a black "x". I need to change the color of the last element "ContactForce" to see when is stick and when is slip. Thank you

#VRML V2.0 utf8
DEF Bar1 Transform {
  children Shape {
    geometry Cylinder {
      height 1
    }
    appearance Appearance {
      texture ImageTexture {
        url "*sl3dlib/objects/Textures/General/Metal.jpg" 
      }
      material Material {
        diffuseColor 1 1 0.1
      }
    }
  }
}
Viewpoint {
  description ""
}
DEF Reel3 Transform {
  children Shape {
    geometry Sphere {
    }
    appearance Appearance {
      texture ImageTexture {
        url "*sl3dlib/objects/Textures/General/Brick_Small.jpg" 
      }
      material Material {
      }
    }
  }
}
DEF ContactForce Transform {
  children [
    DEF Shape Shape {
      geometry Cylinder {
      }
      appearance DEF Apperance Appearance {
        material DEF StickSlip Material {
          shininess 0
          diffuseColor 0.8 0.5 0.8
          ambientIntensity 0
        }
      }
    }
    DEF SticSlip Color {
    }
  ]
}